Ouss4 commented on a change in pull request #2673: URL: https://github.com/apache/incubator-nuttx/pull/2673#discussion_r556353621
########## File path: tools/esp32/backtrace.gdbscript ########## @@ -0,0 +1,85 @@ +############################################################################ +# tools/esp32/backtrace.gdbscript +# +# Licensed to the Apache Software Foundation (ASF) under one or more +# contributor license agreements. See the NOTICE file distributed with +# this work for additional information regarding copyright ownership. The +# ASF licenses this file to you under the Apache License, Version 2.0 (the +# "License"); you may not use this file except in compliance with the +# License. You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT +# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the +# License for the specific language governing permissions and limitations +# under the License. +# +############################################################################ + +# Usage: +# +# ------- +# xtensa_registerdump: PC: 400d5775 PS: 00060e33 +# xtensa_registerdump: A0: 800d504c A1: 3ffd8080 A2: 3ffdfb28 A3: 00000001 +# ------- +# (gdb) esp32_bt 0x400d5775 0x800d504c 0x3ffd8080 +# ------- +# +# References: +# +# Xtensa(R) Instruction Set Architecture (ISA) Reference Manual +# 4.7.1.4 Call, Entry, and Return Mechanism +# 4.7.1.5 Windowed Procedure-Call Protocol + +define esp32_bt + set $pc = $arg0 + set $a0 = $arg1 + set $a1 = $arg2 + set $pc_topbits = (int)$pc & 0xc0000000 + # The return address from xtensa_sig_deliver to _xtensa_sig_trampoline + set $sig_tramp_ra = (int)(_xtensa_sig_trampoline + 2 * 3) + print/a $pc + while (1) + # Note: "- 3" to workaround the case where "call" is + # the last instruction in the calling function. + set $next_pc = (($a0 & 0x3fffffff) | $pc_topbits) - 3 + print/a $next_pc Review comment: This just prints the backtrace. What's different from the backtrace already dumped? ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org
